Home / 2,009,720-2,772,727.08-1,245,494.72

Finding the Fourth Proportional to 2,009,720, 2,772,727.08 and 1,245,494.72

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Solution

The fourth proportional to 2,009,720, 2,772,727.08 and 1,245,494.72 is: 1,718,357.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,009,720 : 2,772,727.08 = 1,245,494.72 : x
  2. Step 2: Convert to fraction form
    2,009,720/2,772,727.08 = 1,245,494.72/x
  3. Step 3: Cross multiply
    2,009,720x = 2,772,727.08 × 1,245,494.72
  4. Step 4: Simplify right side
    2,009,720x = 3,453,416,938,141.02
  5. Step 5: Solve for x
    x = 3,453,416,938,141.02/2,009,720
  6. Step 6: Final answer
    x = 1,718,357.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.